A Vertical Handoff Decision Mechanism in Heterogeneous Wireless Networks

摘要：

　　The target for vertical handoff is to maintain current servicescontinuity when a terminal moves from one network into another.And many articles have made deep researches on vertical handoff technology.Based on Queuing Theory,this paper adopts the priority of terminals’ present service to assists vertical handoff decision,and selects the suitable judgment matrix based on different servicesdifferent Quality of Service (QoS) requirements.This can guarantee real-time services demand,but also choose a network,more suitable for service itself,to meet users requirement.Through performance analysis,we further prove that when a terminal uses real-time service,should choose a network with low delay and ones advantageous to the real-time service transmission,while to non real-time service,should select a network with high rate and low cost.

关键词： Heterogeneous Networks Vertical Handoff Service Priority Decision Mechanism

作者: Huan Jing Guohui Zhu

作者单位: School of communication and information Engineering Xian University of Posts and Telecommunications Xian, China

会议类型: 国际会议

会议名称: 2012 IEEE 14th International Conference on Communication Technology(2012年第十四届通信技术国际会议(ICCT 2012))

会议地点: 成都

会议语种:英文

页码: 163-166

在线出版日期: 2012-11-09（万方平台首次上网日期，不代表论文的发表时间）